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Fig. 2 | BMC Medical Imaging

Fig. 2

From: Efficacy of ultrasonography and Tc-99m MIBI SPECT/CT in preoperative localization of parathyroid adenomas causing primary hyperthyroidism

Fig. 2

A complete type of intrathyroid parathyroid adenoma in the left lobe of thyroid. A homogeneously hypoechoic nodule in the left lobe of thyroid (a) that was negative in Tc-99m MIBI SPECT/CT, and the polar vascular sign (the supply vessel from the posterior branch of the superior thyroid artery) and anterior branch were detected by US (b, c). After clipping the superior thyroid artery intraoperatively, the blood supply in the nodule decreased significantly, which confirmed that the blood supply of the nodule came from the superior thyroid artery (d). After partial thyroidectomy and the nodule was resected, the US showed the parathyroid nodule was completely removed (e). The pathological results showed the parathyroid adenoma and surrounding thyroid tissue (f)

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BMC Medical Imaging

ISSN: 1471-2342

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